jaundice of the newborn vs icterus neonatorum

jaundice of the newborn and icterus neonatorum both are nouns.

Word	Noun	Adjective	Verb	Adverb
jaundice of the newborn	Yes	No	No	No
icterus neonatorum	Yes	No	No	No

As nouns, jaundice of the newborn and icterus neonatorum are synonyms defined as:

jaundice of the newborn and icterus neonatorum: yellowish appearance in newborn infants; usually subsides spontaneously

Other synonyms of jaundice of the newborn include physiological jaundice of the newborn.

jaundice of the newborn (noun)	icterus neonatorum (noun)
yellowish appearance in newborn infants; usually subsides spontaneously	yellowish appearance in newborn infants; usually subsides spontaneously